INA219_consts.h

00001 /*
00002     'Borrowed' from Adafruit's INA219 libarary. Licensed under the BSD license.
00003     
00004     https://github.com/adafruit/Adafruit_INA219
00005 */
00006 
00007 // Hopefully Adafruit won't mind if I borrow this...
00008 
00009 /*=========================================================================
00010     I2C ADDRESS/BITS
00011     -----------------------------------------------------------------------*/
00012 #define INA219_ADDRESS                         (0x40)    // 1000000 (A0+A1=GND)
00013 #define INA219_READ                            (0x01)
00014 /*=========================================================================*/
00015 
00016 /*=========================================================================
00017     CONFIG REGISTER (R/W)
00018     -----------------------------------------------------------------------*/
00019 #define INA219_REG_CONFIG                      (0x00)
00020 /*---------------------------------------------------------------------*/
00021 #define INA219_CONFIG_RESET                    (0x8000)  // Reset Bit
00022 
00023 #define INA219_CONFIG_BVOLTAGERANGE_MASK       (0x2000)  // Bus Voltage Range Mask
00024 #define INA219_CONFIG_BVOLTAGERANGE_16V        (0x0000)  // 0-16V Range
00025 #define INA219_CONFIG_BVOLTAGERANGE_32V        (0x2000)  // 0-32V Range
00026 
00027 #define INA219_CONFIG_GAIN_MASK                (0x1800)  // Gain Mask
00028 #define INA219_CONFIG_GAIN_1_40MV              (0x0000)  // Gain 1, 40mV Range
00029 #define INA219_CONFIG_GAIN_2_80MV              (0x0800)  // Gain 2, 80mV Range
00030 #define INA219_CONFIG_GAIN_4_160MV             (0x1000)  // Gain 4, 160mV Range
00031 #define INA219_CONFIG_GAIN_8_320MV             (0x1800)  // Gain 8, 320mV Range
00032 
00033 #define INA219_CONFIG_BADCRES_MASK             (0x0780)  // Bus ADC Resolution Mask
00034 #define INA219_CONFIG_BADCRES_9BIT             (0x0080)  // 9-bit bus res = 0..511
00035 #define INA219_CONFIG_BADCRES_10BIT            (0x0100)  // 10-bit bus res = 0..1023
00036 #define INA219_CONFIG_BADCRES_11BIT            (0x0200)  // 11-bit bus res = 0..2047
00037 #define INA219_CONFIG_BADCRES_12BIT            (0x0400)  // 12-bit bus res = 0..4097
00038 
00039 #define INA219_CONFIG_SADCRES_MASK             (0x0078)  // Shunt ADC Resolution and Averaging Mask
00040 #define INA219_CONFIG_SADCRES_9BIT_1S_84US     (0x0000)  // 1 x 9-bit shunt sample
00041 #define INA219_CONFIG_SADCRES_10BIT_1S_148US   (0x0008)  // 1 x 10-bit shunt sample
00042 #define INA219_CONFIG_SADCRES_11BIT_1S_276US   (0x0010)  // 1 x 11-bit shunt sample
00043 #define INA219_CONFIG_SADCRES_12BIT_1S_532US   (0x0018)  // 1 x 12-bit shunt sample
00044 #define INA219_CONFIG_SADCRES_12BIT_2S_1060US  (0x0048)  // 2 x 12-bit shunt samples averaged together
00045 #define INA219_CONFIG_SADCRES_12BIT_4S_2130US  (0x0050)  // 4 x 12-bit shunt samples averaged together
00046 #define INA219_CONFIG_SADCRES_12BIT_8S_4260US  (0x0058)  // 8 x 12-bit shunt samples averaged together
00047 #define INA219_CONFIG_SADCRES_12BIT_16S_8510US (0x0060)  // 16 x 12-bit shunt samples averaged together
00048 #define INA219_CONFIG_SADCRES_12BIT_32S_17MS   (0x0068)  // 32 x 12-bit shunt samples averaged together
00049 #define INA219_CONFIG_SADCRES_12BIT_64S_34MS   (0x0070)  // 64 x 12-bit shunt samples averaged together
00050 #define INA219_CONFIG_SADCRES_12BIT_128S_69MS  (0x0078)  // 128 x 12-bit shunt samples averaged together
00051 
00052 #define INA219_CONFIG_MODE_MASK                (0x0007)  // Operating Mode Mask
00053 #define INA219_CONFIG_MODE_POWERDOWN           (0x0000)
00054 #define INA219_CONFIG_MODE_SVOLT_TRIGGERED     (0x0001)
00055 #define INA219_CONFIG_MODE_BVOLT_TRIGGERED     (0x0002)
00056 #define INA219_CONFIG_MODE_SANDBVOLT_TRIGGERED (0x0003)
00057 #define INA219_CONFIG_MODE_ADCOFF              (0x0004)
00058 #define INA219_CONFIG_MODE_SVOLT_CONTINUOUS    (0x0005)
00059 #define INA219_CONFIG_MODE_BVOLT_CONTINUOUS    (0x0006)
00060 #define INA219_CONFIG_MODE_SANDBVOLT_CONTINUOUS (0x0007)
00061 /*=========================================================================*/
00062 
00063 /*=========================================================================
00064     SHUNT VOLTAGE REGISTER (R)
00065     -----------------------------------------------------------------------*/
00066 #define INA219_REG_SHUNTVOLTAGE                (0x01)
00067 /*=========================================================================*/
00068 
00069 /*=========================================================================
00070     BUS VOLTAGE REGISTER (R)
00071     -----------------------------------------------------------------------*/
00072 #define INA219_REG_BUSVOLTAGE                  (0x02)
00073 /*=========================================================================*/
00074 
00075 /*=========================================================================
00076     POWER REGISTER (R)
00077     -----------------------------------------------------------------------*/
00078 #define INA219_REG_POWER                       (0x03)
00079 /*=========================================================================*/
00080 
00081 /*=========================================================================
00082     CURRENT REGISTER (R)
00083     -----------------------------------------------------------------------*/
00084 #define INA219_REG_CURRENT                     (0x04)
00085 /*=========================================================================*/
00086 
00087 /*=========================================================================
00088     CALIBRATION REGISTER (R/W)
00089     -----------------------------------------------------------------------*/
00090 #define INA219_REG_CALIBRATION                 (0x05)
00091 /*=========================================================================*/